{"record":{"id":"0296923ee564b359","repo":"Hmbown/CodeWhale","slug":"invalid-field-expected-a-finite-safely-representable-number","errorCode":null,"errorMessage":"Invalid ${field}: expected a finite, safely representable number.","messagePattern":"Invalid (.+?): expected a finite, safely representable number\\.","errorType":"validation","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"pet/src/core/ingest.ts","lineNumber":68,"sourceCode":"  return hook ? hook(out, path) : out;\n}\nexport function privacyEvent(e: WhaleEvent, mode: PrivacyMode): WhaleEvent {\n  if (mode === 'metadata') {\n    const { payload: _payload, raw: _raw, ...rest } = e;\n    return { ...rest, links: e.links?.map(link=>({traceId:link.traceId,spanId:link.spanId})), attributes: Object.fromEntries(Object.entries(e.attributes).filter(([k, v]) =>\n      SAFE_META.test(k) && (typeof v !== 'object' || v === null)\n      || ['whalesong.container', 'codewhale.container', 'whalesong.waiting'].includes(k) && typeof v === 'boolean'\n      // Relative timestamps can be negative before the importer rebases them.\n      || k === 'whalesong.error_onset_ms' && typeof v === 'number' && Number.isFinite(v))) };\n  }\n  return e;\n}\nfunction number(v: unknown, field: string, optional = true): number | undefined {\n  if (v === undefined || v === null) {\n    if (optional) return undefined;\n    throw new Error(`Missing ${field}. Times must be numeric milliseconds.`);\n  }\n  if (typeof v !== 'number' || !Number.isFinite(v) || Math.abs(v) > Number.MAX_SAFE_INTEGER) throw new Error(`Invalid ${field}: expected a finite, safely representable number.`);\n  return v;\n}\nfunction nonnegative(v: unknown, field: string): number | undefined {\n  const n = number(v, field); if (n !== undefined && n < 0) throw new Error(`${field} must be nonnegative.`); return n;\n}\nfunction numericAttr(v: unknown): number | undefined {\n  if (v === undefined || v === null || v === '') return undefined;\n  const n = Number(v); return Number.isFinite(n) && n >= 0 ? n : undefined;\n}\nexport function categoryFor(name: string, a: Obj): Category {\n  const explicit = a['whalesong.category'] ?? a.category;\n  if (CATEGORIES.includes(explicit)) return explicit;\n  const n = name.toLowerCase(), op = String(a['gen_ai.operation.name'] ?? '').toLowerCase();\n  if (/exception|^error\\b/.test(n)) return 'error';\n  if (/spawn|fork|subagent/.test(n) || op === 'invoke_agent') return 'agent';\n  if (/message\\.send|handoff|agent\\.message/.test(n)) return 'communication';\n  if (/retrieve|retrieval|context|embedding|vector|memory|rag/.test(n)) return 'memory';\n  if (/browser|navigate|screenshot|click|playwright/.test(n)) return 'browser';","sourceCodeStart":50,"sourceCodeEnd":86,"githubUrl":"https://github.com/Hmbown/CodeWhale/blob/433685b2024e7bc4c99e1e2e326bcad39b4d9d65/pet/src/core/ingest.ts#L50-L86","documentation":"The `number` helper rejects time values that are not finite, safely representable numbers: strings, NaN, Infinity, or integers beyond Number.MAX_SAFE_INTEGER (pet/src/core/ingest.ts:68). Times must be numeric milliseconds.","triggerScenarios":"Passing a startTime/endTime as a string ('1700000000000'), NaN, Infinity, or a float/integer exceeding Number.MAX_SAFE_INTEGER to the ingest normalizer.","commonSituations":"JSON transports that serialized times as strings; using Date ISO strings instead of epoch millis; microsecond/nanosecond epoch values overflowing the safe-integer range.","solutions":["Coerce time fields to finite epoch-millisecond numbers before ingest","Convert nanosecond timestamps with Number(BigInt(ns)/1_000_000n) or use the ns() decimal-string path","Validate with typeof v==='number' && Number.isFinite(v) upstream"],"exampleFix":"// before\nstartTime: '1700000000000'\n// after\nstartTime: Number('1700000000000')","handlingStrategy":"type-guard","validationCode":"const validTime=(v:unknown)=>typeof v==='number'&&Number.isFinite(v)&&Math.abs(v)<=Number.MAX_SAFE_INTEGER;","typeGuard":"const isEpochMs=(v:unknown): v is number => typeof v==='number'&&Number.isFinite(v)&&Math.abs(v)<=Number.MAX_SAFE_INTEGER;","tryCatchPattern":"try { ingest(records); } catch (e) { if (/Invalid .* expected a finite/.test(e.message)) { /* coerce string/NaN times to numbers or drop record */ } else throw e; }","preventionTips":["Keep timestamps as numbers end-to-end; avoid string serialization of millis","Never construct times with NaN/Infinity sentinels","Convert ns epochs to ms before passing to the ms-based ingest path"],"tags":["validation","times","type-mismatch","ingest"],"backgroundTag":"invalid-argument-value","analyzedSha":"433685b2024e7bc4c99e1e2e326bcad39b4d9d65","analyzedAt":"2026-09-15T12:24:24.634Z","contentChangedAt":"2026-09-15T12:24:24.634Z","schemaVersion":2},"datasetVersion":"2026-09-22T11:17:16.035Z"}